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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Julia Mcmasters

Bib: 2181 •F •Age: 39

Virginia Bch, VA

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Gender (Female)
#0 / 791
Top 48%
Age Group (F35-39)
Official
#0 / 111
Calculated (F35-39)
#0 / 111
Top 46%
Race Day Weather
71°/61°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
30:36
3.11 mi
Rank: #1138
Start → 5K
30:36 | 9:51/mi
10K
1:02:01
6.21 mi
Rank: #1157 (-19)
5K → 10K
31:25 | 10:07/mi
15K
1:35:13
9.32 mi
Rank: #1229 (-72)
10K → 15K
33:12 | 10:42/mi
20K
2:06:33
12.43 mi
Rank: #1204 (+25)
15K → 20K
31:20 | 10:06/mi
Half
2:13:53
13.10 mi
Rank: #1196 (+8)
20K → Half
7:20 | 10:56/mi
25K
2:40:12
15.53 mi
Rank: #1194 (+2)
Half → 25K
26:19 | 10:49/mi
30K
3:10:38
18.64 mi
Rank: #1201 (-7)
25K → 30K
30:26 | 9:48/mi
35K
3:51:05
21.75 mi
Rank: #1187 (+14)
30K → 35K
40:27 | 13:02/mi
25.2M
4:27:52
25.20 mi
Rank: #1128 (+59)
35K → 25.2M
36:47 | 10:40/mi
Finish
4:37:53
26.22 mi
Rank: #1116 (+12)
25.2M → Finish
10:01 | 9:50/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:13:53
Pace10:14 /mi
2nd Half
Distance13.12 mi
Time2:24:00
Pace10:59 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:07:0430:369:5130:36
9:51
-
10K
6.21 mi08:38:291:02:019:5931:25
10:07
+0:16
15K
9.32 mi09:11:411:35:1310:1333:12
10:42
+0:35
20K
12.43 mi09:43:012:06:3310:1131:20
10:06
-0:36
Half
13.10 mi09:50:212:13:5310:147:20
10:56
+0:50
25K
15.53 mi10:16:402:40:1210:1926:19
10:49
-0:07
30K
18.64 mi10:47:063:10:3810:1430:26
9:48
-1:01
35K
21.75 mi11:27:333:51:0510:3840:27
13:02
+3:14
25.2M
25.20 mi12:04:204:27:5210:3836:47
10:40
-2:22
Finish
26.22 mi12:14:214:37:5310:3710:01
9:50
-0:50

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

9:48 /mi

Average Pace

10:36 /mi

Slowest Pace

13:02 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:13:48

48% of race

Time at Steady Pace

1:43:38

37% of race

Time at Slower Pace

40:27

15% of race

Average Pace: 10:36 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi08:07:0430:369:5130:36
9:51
#1138
10K
6.21 mi08:38:291:02:019:5931:25
10:07
#1157
15K
9.32 mi09:11:411:35:1310:1333:12
10:42
#1229
20K
12.43 mi09:43:012:06:3310:1131:20
10:06
#1204
Half
13.10 mi09:50:212:13:5310:147:20
10:56
#1196
25K
15.53 mi10:16:402:40:1210:1926:19
10:49
#1194
30K
18.64 mi10:47:063:10:3810:1430:26
9:48
#1201
35K
21.75 mi11:27:333:51:0510:3840:27
13:02
#1187
25.2M
25.20 mi12:04:204:27:5210:3836:47
10:40
#1128
Finish
26.22 mi12:14:214:37:5310:3710:01
9:50
#1116
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
5K3.11 mi3.11 mi1138367511384(Top 71%)476(Top 60%)65(Top 59%)
10K6.21 mi3.10 mi1157-19374-7511192(Top 61%)384(Top 49%)51(Top 46%)
15K9.32 mi3.11 mi1229-72402-2854-31384(Top 71%)476(Top 60%)65(Top 59%)
20K12.43 mi3.11 mi1204+25393+953+11156(Top 59%)374(Top 47%)48(Top 43%)
Half13.10 mi0.67 mi1196+8388+551+21173(Top 60%)383(Top 48%)52(Top 47%)
25K15.53 mi2.43 mi1194+2388511185(Top 61%)393(Top 50%)51(Top 46%)
30K18.64 mi3.11 mi1201-7404-1653-21178(Top 60%)413(Top 52%)53(Top 48%)
35K21.75 mi3.11 mi1187+14406-254-11171(Top 60%)434(Top 55%)51(Top 46%)
25.2M25.20 mi3.45 mi1128+59386+2052+2805(Top 41%)304(Top 38%)39(Top 35%)
Finish26.22 mi1.02 mi1116+12380+651+1894(Top 46%)333(Top 42%)38(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×1
+26ft-31ft

Overall

1384

Females

476

F35-39

65

5K→10K

3.1 - 6.2 mi

Top 61%
×2
+38ft-17ft

Overall

1192

Females

384

F35-39

51

10K→15K

6.2 - 9.3 mi

Top 71%
×2
+26ft-44ft

Overall

1384

Females

476

F35-39

65

15K→20K

9.3 - 12.4 mi

Top 59%
×1
+35ft-22ft

Overall

1156

Females

374

F35-39

48

20K→Half

12.4 - 13.1 mi

Top 60%
×1
+7ft-13ft

Overall

1173

Females

383

F35-39

52

Half→25K

13.1 - 15.5 mi

Top 61%
×2
+48ft-19ft

Overall

1185

Females

393

F35-39

51

25K→30K

15.5 - 18.6 mi

Top 60%
×2
+38ft-52ft

Overall

1178

Females

413

F35-39

53

30K→35K

18.6 - 21.8 mi

Top 60%
×2
+39ft-39ft

Overall

1171

Females

434

F35-39

51

35K→25.2M

21.8 - 25.2 mi

Top 41%
×3
+57ft-58ft

Overall

805

Females

304

F35-39

39

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×1
+17ft-12ft

Overall

894

Females

333

F35-39

38

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
218
Passed By
196
Net Change
+22
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1138
5K → 10K2443-19#1138#1157
10K → 15K173-72#1157#1229
15K → 20K283+25#1229#1204
20K → Half124+8#1204#1196
Half → 25K1917+2#1196#1194
25K → 30K2633-7#1194#1201
30K → 35K3420+14#1201#1187
35K → 25.2M612+59#1187#1128
25.2M → Finish131+12#1128#1116
TOTALS218196+22
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

BQ

Boston Qualifying analysis available

Finisher Certificate

Download and share your official race completion certificate

🏆 Finisher Certificate
Download or share your official race finisher certificate
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Your certificate is generated on-demand and can be shared on social media or saved for your records

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
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